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中国精品科技期刊2020
岳伟,赵文婷,王丹,等. 鲜切莲藕褐变机制与防控技术研究进展[J]. 食品工业科技,2025,46(24):1−9. doi: 10.13386/j.issn1002-0306.2024120421.
引用本文: 岳伟,赵文婷,王丹,等. 鲜切莲藕褐变机制与防控技术研究进展[J]. 食品工业科技,2025,46(24):1−9. doi: 10.13386/j.issn1002-0306.2024120421.
YUE Wei, ZHAO Wenting, WANG Dan, et al. Research Progress on Mechanism of Browning in Fresh-cut Lotus Root and Its Inhibition Treatments[J]. Science and Technology of Food Industry, 2025, 46(24): 1−9. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2024120421.
Citation: YUE Wei, ZHAO Wenting, WANG Dan, et al. Research Progress on Mechanism of Browning in Fresh-cut Lotus Root and Its Inhibition Treatments[J]. Science and Technology of Food Industry, 2025, 46(24): 1−9. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2024120421.

鲜切莲藕褐变机制与防控技术研究进展

Research Progress on Mechanism of Browning in Fresh-cut Lotus Root and Its Inhibition Treatments

  • 摘要: 随着人们生活水平的提高和生活节奏的加快,鲜切果蔬产品的需求量越来越大,鲜切莲藕作为鲜切产品之一,因其方便食用、营养丰富、口感爽脆等特点受到消费者的欢迎。然而,莲藕鲜切后极易发生褐变,导致品质劣变、酚类物质降低和抗氧化能力下降等问题。褐变主要由酶促褐变引起,在多酚氧化酶催化下酚类物质氧化生成醌类物质,醌类进一步聚合形成褐色的黑色素,进而影响鲜切莲藕的色泽和品质。目前鲜切莲藕的褐变防控技术主要通过降低褐变相关酶活、减少氧气接触、还原褐变产物、调节生理代谢等方面抑制褐变的发生。因此,本文综述了国内外鲜切莲藕褐变机制的研究进展,归纳了加工因子(原料、切分、清洗、包装)和环境参数(温度、气体组成)等褐变影响因素,并从物理、化学、生物以及联合处理技术等方面总结了鲜切莲藕褐变的防控技术,旨在为鲜切莲藕的褐变防控提供参考。

     

    Abstract: The demand for fresh-cut fruit and vegetables is steadily rising due to enhanced living conditions and the accelerating pace of modern life. Fresh-cut lotus root, an important fresh-cut product, is favored by consumers for its convenience, nutritional value and crisp taste. Nevertheless, fresh-cut lotus root is susceptible to browning, quality degradation, diminished phenolic compounds, and a drop in antioxidant activity, leading to a decline in nutritional value. Browning is mainly caused by enzymatic reaction of phenols with oxygen catalyzed by polyphenol oxidase (PPO), leading to the formation of quinones. The quinone compounds are polymerized into dark-brown substances, such as melanin, leading to a deterioration in the color and quality of fresh cut lotus roots. Many techniques have been developed to control the browning of fresh-cut lotus roots, mostly by diminishing the activity of browning-related enzymes, limiting oxygen exposure, reducing browning byproducts, and regulating physiological metabolism. This review provides up-to-date knowledge on browning mechanism of fresh-cut lotus root based on recent domestic and foreign research. Furthermore, the factors influencing browning, including processing operations (raw material, cutting, washing, packaging) and environmental conditions (temperature, gas composition) are reviewed, and the strategies for inhibiting browning of fresh-cut lotus root are summarized based on physical, chemical, biological and combination treatment technologies. This review provides a reference for the prevention and control of browning in fresh-cut lotus root.

     

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